/* CoralCube | Massively Multiplayer Online Role-Playing Game(MMORPG) Emulator.
|* 
|* Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
|*               2008-2010 TrinityCore <http://www.trinitycore.org/>
|*               2008-2010 CoralCube <http://www.CoralCube.com/>
|*
|* This program is free software. You can redistribute it and/or modify it under the terms of 
|* the GNU General Public License as published by the Free Software Foundation, either 
|* version 2 of the License.
|*
|* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY, 
|* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
|* See the GNU General Public License for more details.
|*
|* You should have received a copy of the GNU General Public License along with this program. 
|* If not, see <http://www.gnu.org/licenses/>.
|*/

#ifndef _MAP_UPDATER_H_INCLUDED
#define _MAP_UPDATER_H_INCLUDED

#include <ace/Thread_Mutex.h>
#include <ace/Condition_Thread_Mutex.h>

#include "DelayExecutor.h"

class Map;

class MapUpdater
{
public:

    MapUpdater();
    virtual ~MapUpdater();

    friend class MapUpdateRequest;

    int schedule_update(Map& map, ACE_UINT32 diff);

    int wait();

    int activate(size_t num_threads);

    int deactivate();

    bool activated();

private:

    DelayExecutor m_executor;
    ACE_Thread_Mutex m_mutex;
    ACE_Condition_Thread_Mutex m_condition;
    size_t pending_requests;

    void update_finished();
};

#endif //_MAP_UPDATER_H_INCLUDED
